This guide will show you a simple way on :
How to factory reset SAMSUNG I8520 Galaxy Beam.
How to wipe all data in SAMSUNG I8520 Galaxy Beam.
How to bypass screen lock in SAMSUNG I8520 Galaxy Beam.
How to restore defaults in SAMSUNG I8520 Galaxy Beam.
All method of master reset SAMSUNG I8520 Galaxy Beam.
So Check out how to accomplish hard reset by hardware keys and through android settings. As a result your SAMSUNG I8520 Galaxy Beam will be as new and your core will run faster.